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Finding the Fourth Proportional to 4,963.92, 6,845.28 and 3,391.44

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Solution

The fourth proportional to 4,963.92, 6,845.28 and 3,391.44 is: 4,676.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,963.92 : 6,845.28 = 3,391.44 : x
  2. Step 2: Convert to fraction form
    4,963.92/6,845.28 = 3,391.44/x
  3. Step 3: Cross multiply
    4,963.92x = 6,845.28 × 3,391.44
  4. Step 4: Simplify right side
    4,963.92x = 23,215,356.40
  5. Step 5: Solve for x
    x = 23,215,356.40/4,963.92
  6. Step 6: Final answer
    x = 4,676.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.